Home / 237,222.45-355,777.79-87,381.36

Finding the Fourth Proportional to 237,222.45, 355,777.79 and 87,381.36

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Solution

The fourth proportional to 237,222.45, 355,777.79 and 87,381.36 is: 131,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,222.45 : 355,777.79 = 87,381.36 : x
  2. Step 2: Convert to fraction form
    237,222.45/355,777.79 = 87,381.36/x
  3. Step 3: Cross multiply
    237,222.45x = 355,777.79 × 87,381.36
  4. Step 4: Simplify right side
    237,222.45x = 31,088,346,711.09
  5. Step 5: Solve for x
    x = 31,088,346,711.09/237,222.45
  6. Step 6: Final answer
    x = 131,051.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.